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One mole of aqueous solution of the comp...

One mole of aqueous solution of the complex `CoCl_(3)5H_(2)O` when treated with excess of aqueous `AgNO_(3)` solution gave one mole of white pptof AgCl. What is the complex?

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The data shows that one Cl atoms is not inovlved in the co-oridnation sphere and is present in the ionisation sphere as `Cl^(-)` ion. Therefore, the formula of the complex is : `Co[(H_(2)O)_(4)Cl_(2)]Cl.H_(2)O`
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